Continuity mistake: When Eduardo finds the letter on the mantlepiece about them apparently stealing the idea for Facebook and asks Mark if they did or not, he places a bottle on the mantlepiece just before he finds the letter. This bottle rotates slightly between shots without him touching it after placing it down. (00:49:15)
Continuity mistake: When Aron Ralston falls off the bike he is thrown few yards away of his bike into a bush. However, when he is taking the photo the bike is under his head.
Continuity mistake: Neither Abra, Betty or her kids age a single bit in a time span of 20 years.
Continuity mistake: When the hijacked DC9 aircraft arrives into Algeria for the first time, in a front shot when taxiing, the nose and windshield are of a Boeing 727. Afterwards it becomes a DC9 for the remaining of the movie.
Continuity mistake: When one of the robbers is walking away with 4 bags stuffed with money, you can see a large stack of money bills sticking out of the bag. In the next shot the bills are gone. (01:04:40)